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Duet II
User manual
Duet II | User manual
Safety information
Welcome to geo’s energy management
service. You’ve taken that all important
first step towards complete control of
your home energy use.
Your Duet II will help you manage and
visualise your energy – helping you
on the way to optimum efficiency and
maximum cost savings.
In this manual you’ll find everything
you need to quickly and simply set up
and start using your display. You’ll also
find out more information about how
the monitor works, how it can help you
and how you can identify ways to save
energy (and money).
J Do not fit rechargeable batteries
j Keep the Duet II away from
water and other liquids. Clean
only with a dry, soft cloth. If any
components appear damaged or
faulty, please contact your utility
L For use in a dry, indoor
environment only
J It is not necessary for you to
connect or disconnect any
cabling or access your electricity
meter
N To protect the environment,
these products and any batteries
must be disposed of safely at the
end of their life. Please take to a
recycling centre for safe disposal
MRoHS compliant
O CE approved
J Please only use the power supply
provided
2
Contents
CONTENTS
Your Duet II display
What’s in the box?
Powering the display
Display stand
Wall mounting
Display overview
Getting started
Meter connection
4
4
4
4
5
Troubleshooting
FAQs22
Technical specifications
Duet II display
23
6
Reading your display
Upper screen
7
Lower screen
7
Home view
8
SO FAR Today view
8
Messages9
Alerts9
What does it mean?
See what you’re using
It’s about now ...
What is normal?
How can I use less?
Prepayment
Prepay view
Adding credit
Menu options
Main menu
Demonstration mode
Settings
Advanced menu
Messages
10
10
11
11
12
13
14
15
17
19
20
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Duet II | User manual
YOUR DUET II DISPLAY
What’s in the box?
Display stand
Your Duet II package contains the
following items:
The display stand will already be
attached to your Duet II display.
•
Duet II energy display
•
Display stand
•
UK power supply
Powering the display
Your Duet II display can be powered
using the supplied power supply or
with 3 x AAA alkaline batteries.
To remove the stand, slide it
downwards and then pull it away from
the display.
Do the reverse to re-attach the stand
to the display.
Wall mounting
The display can be wall mounted using
a flat-head screw (not supplied).
Do not use any other power supply
with this display.
Remove the stand before attempting
to wall mount the display.
It is not recommended to use
batteries for a prolonged period.
On the wall, drill a hole and tighten the
screw so that it is left 3mm proud and
hook the display on to the screw using
the hole on the back of the display.
To replace the batteries, remove the
stand and then open the battery cover
using the clip at the top.
Do not use rechargeable batteries in
this display.
4
Your Duet II display
Display overview
Electricity tariff
warning
Home button
Electricity tariff
icons
Electricity
consumption
Electricity reading
Gas reading
Gas consumption
Gas tariff icons
New message
indicator
Lower screen
Button labels
Left, middle and
right buttons
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Duet II | User manual
GETTING STARTED
Meter connection
Connection established
Your display will show Connecting
to smart meter... for up to 15
minutes while the display connects to
the smart meters in your home.
Once your display has successfully
established a connection to your
smart meter(s), your Duet II will show
the current consumption and totals so
far today.
Should your display show
No Network then you will need to
contact your utility to complete the
installation.
The lines at the top indicate whether
an electricity smart meter (top) or
gas smart meter (bottom) have been
connected.
You can now use your Duet II display.
6
Reading your display
READING YOUR DISPLAY
Upper screen
Lower screen
There are two speedometers to give
you an up-to-date graphical view of
how much electricity and gas your
home is using right now.
The lower screen is used to show
historical usage and also for making
changes to your Duet II.
The upper electricity speedometer
shows up to 22kW of power, updating
every three seconds.
The lower gas speedometer shows up
to 50kW of power, updating every 30
minutes. (This speedometer is only
shown if you have a gas smart meter.)
The two gauges can be scaled to suit
the size of property you live in - see
‘Usage Level’ on page 18.
The function of each of the three
buttons at the bottom of the display is
shown directly above it.
In the example above, the middle
button will enter the main menu.
Top (Home) button
A short press of the top (home) button
reverts the display to the Home View.
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Duet II | User manual
Home view
SO FAR Today view
After five minutes of inactivity, your
Duet II will switch into a simplified
view.
This is the default view and your
Duet II will show this when any button
is pressed.
The upper screen will show the
current rate of consumption for
electricity and gas without numbers.
The lower screen will show the time
and the total cost for today. If you
have prepayment meters, then the
available credit will be shown.
The amount of energy you have used
is shown in numbers - the upper
numbers are for electricity and the
lower numbers for gas.
You can view your energy use for
Today, This Week, and This
Month. Cycle through these periods
by pressing the period button.
8
Reading your display
Messages
Another press of the period button
moves from the SO FAR view to the
HISTORIC view. You can view your
energy use in bar graph form for Last
8 days, Last 5 Weeks and
Last Year.
Press the units button in either view
to change between cost and energy.
If you have any unread messages
then the k icon will be shown on the
upper screen.
To view unread messages or alerts,
select the menu button from the SO
FAR view and then Messages.
Alerts
Your Duet II can show alerts. Alerts
appear on the bottom screen and
require immediate attention.
Alerts may be Duet II related (i.e. Low
battery) or received from the smart
meters (i.e. Low credit warning).
See ‘Alerts’ on page 18 to lean how
to configure your alerts.
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Duet II | User manual
WHAT DOES IT MEAN?
See what you’re using
Your Duet II display makes your
electricity and gas consumption
visible, taking the guesswork out of
understanding how much your home
uses - both right now and historically.
The display is neatly divided in two the upper screen shows the current
rate of usage of electricity and gas (if
installed) - the lower screen provides
an insight in to performance against a
set budget and shows when and how
much has been used in the past.
It’s about now ...
In the same way your car shows how
fast your car is travelling, the two
gauges in the upper screen show how
much your home is consuming now.
The top gauge - or speedometer - is
for the rate of electricity and the
bottom gauge is for gas.
To make it even easier to understand
the hourly rates of consumption, the
top and bottom sets of numbers can
show the rate of consumption in cost
(£/€) and energy or power (kW).
10
For example, if the display says £0.15
for the rate of electricity consumption,
then this means that if the rate stayed
the same it would cost 15p for the
next hour.
The electricity speedometer is
updated every few seconds and the
gas speedometer every 30 minutes.
Less is more
The lower the hourly rate of
consumption, the less it will cost and
the more you can save.
It is typical of a medium sized house to
use around 250Wh or 4p per hour of
electricity - so see how low you can get
the speedometer.
If, when you have your lights off, your
house is using more than this rate,
have a look around the home and see
if any appliances can be turned off.
The gas speedometer should drop to
zero when your boiler and cooker are
not in use.
What does it mean?
What is normal?
How can I use less?
Don’t worry if every now and again the
speedometers are high - this can be
perfectly normal.
Look for appliances around the home
that are not always being used and
can be switched off.
The image below shows where the
electricity speedometer will typically be
when using certain appliances.
Often it’s items such as a games
console, sound system or even a clock
radio in the spare room. Experiment
with switching appliances off and see
what affect that has on your daily
usage.
Typical ‘base load’
Evening time
Boiling a kettle
Other ways to save include having
less water in the kettle (only boil
what you intend to use), lowering the
temperature on the washing machine
or raising the temperature of the
freezer (-18OC is cold enough).
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Duet II | User manual
PREPAYMENT
Prepay view
If you are on a prepayment plan with
your utility, then your Duet II will
automatically show your remaining
credit on the Home View.
If you have both electricity and gas
prepayment plans, then the Home
View will alternate with the credit
remaining for each fuel.
You will also see the Pre-pay option
in the main menu. This allows you add
credit and view any outstanding debt.
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Prepayment
Adding credit
To add credit to your electricity or gas
prepay smart meter, you will need to
have a unique code from your utility or
approved payment partner.
The code, also known as a ‘vend code’,
is 20 numbers long and can only be
used once. It contains details about
your account, smart meter and the
amount of credit you have purchased.
Once all 20 digits have been entered,
your display will send the code to the
smart meter for verification.
It can take up to thirty minutes for the
code to be applied and you will receive
a notification on your Duet II to let you
know the credit has been applied.
To enter the new vend code, do the
following:
•
Press the menu button and select
the Pre-pay
•
Select either Electricity or
Gas, depending on what you
have purchased
•
Select Add Vend Code
•
Using the left and right buttons,
enter each of the 20 digits,
pressing next/del to move to
the next digit
•
A long press of next/del will go
back one digit
If the vend code was entered
incorrectly, please try again.
Press back to return to the
prepayment menu.
For other prepayment features, please
see ‘Electricity & gas prepay’ on page
14.
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Duet II | User manual
MENU OPTIONS
Main menu
Electricity & gas prepay
From the Home view, press the middle
menu button.
Prepayment menu options are only
available if you have a prepayment
plan in place for your electricity or gas
smart meter.
Select Pre-pay followed by
Electricity or Gas to see
additional options (which will depend
on your utility).
Using the left and right buttons,
navigate through the menu options.
Press the middle select button to
enter a sub-menu or feature.
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Menu options
Demonstration mode
To help you get started, we’ve added
a simple guide that walks you through
the key features of your display.
This manual covers all of the features
of your Duet II in more detail, however
you can access the demonstration
mode at any time from the display.
Select Demonstration from the top
of the main menu. Use the next and
back buttons to navigate through the
demo.
Press the top home button to exit the
demonstration mode.
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Duet II | User manual
Tariffs
The Tariffs screen shows details of
the electricity and gas tariffs provided
by your utility.
Select next to view further details on
the individual Electricity and gas tariff.
Understanding your tariff
Tariff information includes the current
rate per kWh (also known as unit
charge). If you have different tariffs
during the day, then the next tariff is
also shown.
Tariff now and next
To see what tariff you are on now and
when the next tariff change will be, the
upper screen has two sets of three
tariff indicators.
One i icon means the least expensive
electricity tariff and iii means the
most expensive. The icons will flash
to indicate a rate change is due within
the next 30 minutes.
As an example, if you have three
electricity icons showing (iii) and the
left-most icon is flashing - this means
that within the next 30 minutes your
electricity tariff will move from the
most expensive to the least expensive
rate.
The same principles apply with the j
icons for gas tariffs.
If there is a standing charge (either
each day or month), then this is
shown.
All prices are inclusive of VAT.
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Press back to return to the main
menu.
Menu options
Settings
Backlight
The Settings menu allows you
to customise your Duet II to your
personal preferences.
The backlight of the upper and lower
screens can be configured to be active
at certain times of the day.
By default, the display will be off
between 22:00 and 06:00. During this
time, pressing any button will switch
the display on so that you can use
your Duet II as normal.
All settings are configured in 24 hour
format, where 00:00 is midnight, 12:00
is midday and 21:00 is 9pm.
Within each setting, press the + and
- buttons to change the setting and
then set to store the new setting.
There are three modes for the
backlight level:
•
Off
•
Timed (default)
•
Always
When in Off, the display will
automatically switch off 60 seconds
after the Duet II was last used.
Timed is the default mode and means
that the display is on between the
Day ON and Night OFF times.
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Duet II | User manual
Alerts
Usage Level
There are 3 alert settings.
The dials in the upper display can be
scaled to suit your size of house and
expected usage.
Volume
Your Duet II can make a sound when
there is a new alert.
The volume can be set between:
•
Quiet (default)
•
Loud
Audible
This setting turns the alert sound
either on or off.
You will still receive alerts when this
setting is set to Off.
Visual
This setting allows you to prevent
alerts generated by your Duet II from
appearing. Don’t worry, important
alerts from you Smart Meter will still
appear.
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For example, if you live in a fivebedroom house and have four people
living there all the time, then you
should select High as the user type
so that the dials can show the typical
higher rates of consumption.
Conversely, if you live in a small flat,
then select Low so that your display
can make full use of the dials.
This setting only affects the electricity
and gas dials and does not alter
your readings or history and can be
changed at any time.
The options are:
•
Low
•
Medium (default)
•
High
Menu options
Credit warning
Advanced menu
If you have a smart meter in
prepayment mode, then you can set
the threshold at which your Duet II
will create an alert to let you know
your credit is getting low.
Your Duet II has a number of
advanced menus and information
screens that you do not normally need
to access.
The warning is set in cost (£/€) and is
the same for both electricity and gas.
You should only access these menus if
asked to by your utility.
Display
Details specific to this Duet II
Elec Meter
Details about your electricity smart
meter
Gas Meter
Details about your gas smart meter
(if installed)
Date and time
The current date and time, as taken
from the smart meter
Signal
Signal strength to the smart meter
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Duet II | User manual
Installation
Messages
This menu is for installation purposes
only and is PIN protected.
If your utility has sent you a message,
then k will be shown on the upper
screen.
To view your messages (up to 30 can
be stored), select Messages from the
main menu.
Navigate up and down the list using
the left and right buttons and press
read to open a message.
Messages are listed with the most
recent at the top.
Each message is shown by the date it
was received by your Duet II and icons
that indicate the type of message.
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Menu options
Messages indicators:
Viewing a message
a unread message
Select a message from the Messages
list by pressing read.
d
message is urgent
e message needs to be confirmed
or requires acceptance / rejection
Press the delete button to remove
the message from the message list.
g message was previously rejected
If the message requires you to make a
choice, you will be required to accept
or reject the message before you
can delete the message.
h message has a time limit and will
be deleted automatically
Press close to return to the list of
messages.
f message was previously accepted
Once a message has been accepted or
rejected it cannot be changed.
Select back to return to the main
menu.
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Duet II | User manual
TROUBLESHOOTING
FAQs
My display is not showing any
readings
This could be because your display is
out of range and not communicating
with the smart meter.
You can check the signal strength from
the Signal option in the Advanced
menu.
If the display cannot communicate
with the smart meter, it will show
Connecting to smart meter ...
and the upper display will show no
readings.
If the display shows No Network then
contact your utility.
Why has my display turned off?
Your display may be off for a number
of reasons:
If you have selected the Backlight
setting to be Timed or Off, then the
display will be blank when you are
not using it (or it is scheduled to be
off). Press any button and the display
should come back on.
See ‘Backlight’ on page 17 for more
information on the Backlight
setting.
If the display is being powered by
batteries, then it may be that they
have run flat. Either connect your
display using the supplied power
adapter or change the batteries.
The display will run for approximately
72 hours while on batteries so that
you can carry it around the home to
learn how different appliances work. It
is not intended for prolonged use.
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Technical specifications
TECHNICAL SPECIFICATIONS
Duet II display
This product is intended to be used
indoors in a domestic or small office
environment. It is not suitable for
outdoor use.
It is intended to be installed by a
qualified installer only.
Model
DU4
Rated voltage
(display)
5Vdc and / or
3 x AAA 1.5V
alkaline batteries
Rated voltage
(power supply)
230Vac, 50Hz
Input power
0.5W
Operating
temperature
0 to 40OC
Operating humidity
range
85% non-condensing
This unit has been tested and
conforms to the following standards:
EN 300 328 V1.7.1 (2006)
EN 55022:2006
EN 301 489-17 V2.1.1
EN 61010-1:2010 (3rd Edition)
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Designed and manufactured by:
Green Energy Options Ltd
3 St. Mary’s Court
Main Street
Hardwick
Cambridge
CB23 7QS
UK
www.greenenergyoptions.co.uk
Version: D214-A-USG-001_1